iTunes checks http://phobos.apple.com/version for firmware updates for the 2nd generation Apple TV and all iPads, iPods and iPhones. The table below is automatically created from the iTunes firmware table every hour. All of the files available for download are on Apple servers. Nothing is hosted here.

• Available firmware
• Available firmware for regular iPods
• Product IDs
• DFU/Recovery Files
• Carrier setting bundles for the iPhone
• iPod VoiceOver Kits
• Nike VoiceOver Kits
• iBook Dictionaries

Change Log
01/02/2010	Added support for iPhone 4 (CDMA Model)
29/09/2010	Added support for Apple TV 2G and display SHA1 + security epoch version if available.
22/06/2010	Handle MVNO carriers. Display iBook dictionaries.
30/05/2010	Handle non country code carrier bundles. Display iPad carrier bundles.
07/10/2009	Altered display of short product IDs.

Device	Name	Model	Description
AppleTV2,1	Apple TV	K66ap	Apple TV 2nd generation
iPad1,1	iPad	K48ap	iPad (Optional GSM)
iPad2,1	iPad 2	K93ap	iPad 2 (WiFi only)
iPad2,2	iPad 2	K94ap	iPad 2 (GSM)
iPad2,3	iPad 2	K95ap	iPad 2 (CDMA)
iPhone1,1	iPhone	M68ap	iPhone (GSM)
iPhone1,2	iPhone 3G	N82ap	iPhone 3G (GSM)
iPhone2,1	iPhone 3GS	N88ap	iPhone 3GS (GSM)
iPhone3,1	iPhone 4	N90ap	iPhone 4 (GSM)
iPhone3,3	iPhone 4	N92ap	iPhone 4 (CDMA)
iPod1,1	iPod touch	N45ap	iPod touch (1st generation)
iPod2,1	iPod touch	N72ap	iPod touch (2nd generation)
iPod3,1	iPod touch	N18ap	iPod touch (3rd generation)
iPod4,1	iPod touch	N81ap	iPod touch (4th generation)

Latest Mac iTunes = 10.5.3
Latest Windows iTunes = 10.5.3
Latest Windows 2000 iTunes = 7.3.2
Latest Windows XP pre SP2 iTunes = 7.5.0

Available firmware:

Last refreshed = 05 February 2012

Device	From	To	Type	Firmware	Documentation
AppleTV2,1	4.1 (8C150)	4.4.4 (9A406a)	Restore	AppleTV2,1_4.4.4_9A406a_Restore.ipsw	AppleTVDocumentation_4.1.ipd
	4.1.1 (8C154)	4.4.4 (9A406a)	Restore	AppleTV2,1_4.4.4_9A406a_Restore.ipsw	AppleTVDocumentation_4.1.ipd
	4.2 (8F191m)	4.4.4 (9A406a)	Restore	AppleTV2,1_4.4.4_9A406a_Restore.ipsw	AppleTVDocumentation_4.1.ipd
	4.2.1 (8F202)	4.4.4 (9A406a)	Restore	AppleTV2,1_4.4.4_9A406a_Restore.ipsw	AppleTVDocumentation_4.1.ipd
	4.2.2 (8F305)	4.4.4 (9A406a)	Restore	AppleTV2,1_4.4.4_9A406a_Restore.ipsw	AppleTVDocumentation_4.1.ipd
	?.? (8F455)	4.4.4 (9A406a)	Restore	AppleTV2,1_4.4.4_9A406a_Restore.ipsw	AppleTVDocumentation_4.1.ipd
	4.0 (8M89)	4.4.4 (9A406a)	Restore	AppleTV2,1_4.4.4_9A406a_Restore.ipsw	AppleTVDocumentation_4.1.ipd
	?.? (9A334v)	4.4.4 (9A406a)	Restore	AppleTV2,1_4.4.4_9A406a_Restore.ipsw	AppleTVDocumentation_4.1.ipd
	?.? (9A335a)	4.4.4 (9A406a)	Restore	AppleTV2,1_4.4.4_9A406a_Restore.ipsw	AppleTVDocumentation_4.1.ipd
	?.? (9A336a)	4.4.4 (9A406a)	Restore	AppleTV2,1_4.4.4_9A406a_Restore.ipsw	AppleTVDocumentation_4.1.ipd
	?.? (9A405l)	4.4.4 (9A406a)	Restore	AppleTV2,1_4.4.4_9A406a_Restore.ipsw	AppleTVDocumentation_4.1.ipd
	?.? (9A406a)	4.4.4 (9A406a)	Restore	AppleTV2,1_4.4.4_9A406a_Restore.ipsw	AppleTVDocumentation_4.1.ipd
	Unknown	4.4.4 (9A406a)	Restore	AppleTV2,1_4.4.4_9A406a_Restore.ipsw	AppleTVDocumentation_4.1.ipd
iPad1,1	3.2 (7B367)	3.2.2 (7B500)	Restore	iPad1,1_3.2.2_7B500_Restore.ipsw	iPadDocumentation_4.0.2.ipd
	3.2 (7B367)	4.3.5 (8L1)	Restore	iPad1,1_4.3.5_8L1_Restore.ipsw	iPadReadMe_4.3.5.ipd
	3.2 (7B367)	5.0.1 (9A405)	Restore	iPad1,1_5.0.1_9A405_Restore.ipsw	iPadReadMe_5.0.1.ipd
	3.2.1 (7B405)	3.2.2 (7B500)	Restore	iPad1,1_3.2.2_7B500_Restore.ipsw	iPadDocumentation_4.0.2.ipd
	3.2.1 (7B405)	4.3.5 (8L1)	Restore	iPad1,1_4.3.5_8L1_Restore.ipsw